Gakuen de Jikan yo Tomare: vol.3

The bastard guy of a rich aristocrat is hellbent on seeking revenge ever since his dad abandoned him and his mum. He decides to teach his dad a lesson by destroying what he treasures the most, his two girls. He infiltrates their prestigious school with a magical time-freezing device he received from a witch – and proceeds to repeatedly take his half-girls, leaving them confused, helpless and begging for mercy.